机械科学与技术2025，Vol.44Issue(11)：1876-1883,8.DOI:10.13433/j.cnki.1003-8728.20230323
PMSM新型分数阶趋近律滑模控制策略
Sliding Mode Control Strategy of PMSM New Fractional Order Reaching Law
摘要
Abstract
In order to solve the problem of slow response and poor anti-interference ability in permanent magnet synchronous motor(PMSM)speed regulation system,a new fractional reaching rate sliding mode control strategy was proposed.The approach law combines the variable exponential power term with the traditional exponential approach law,and relates the state variables of the system to the exponent of the power term,it can also solve the problem of large chattering when the traditional exponential reaching law approaches the sliding mode surface.In addition,the extended state observer(ESO)based on the new nonlinear function is used to observe the disturbance term of the system accurately,and the observations are fed forward to the new sliding mode controller to enhance the anti-disturbance ability of the system.At the same time,a new sliding mode load torque observer is designed to observe the load torque changes in real time and feedback the observed values to ESO to further improve the robustness of the system.The simulation results show that the anti-jamming ability of the system is improved and the dynamic and steady performance is better after adopting the new fractional reaching law sliding mode control strategy.关键词
永磁同步电机/滑模控制/分数阶微积分/扩张状态观测器/新型趋近律Key words
PMSM/sliding mode control/fractional calculus/extended state observer/new reaching law分类
信息技术与安全科学引用本文复制引用
何明晏,任金霞,姚广辉..PMSM新型分数阶趋近律滑模控制策略[J].机械科学与技术,2025,44(11):1876-1883,8.基金项目
国家自然科学基金项目(51665018) （51665018）
